1 /*- 2 * Copyright (c) 2016 Microsoft Corp. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice unmodified, this list of conditions, and the following 10 * disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #ifndef _HV_UTILREG_H_ 30 #define _HV_UTILREG_H_ 31 32 #define HV_S_OK 0x00000000 33 #define HV_E_FAIL 0x80004005 34 #define HV_ERROR_NOT_SUPPORTED 0x80070032 35 #define HV_ERROR_MACHINE_LOCKED 0x800704F7 36 37 /* 38 * Common defines for Hyper-V ICs 39 */ 40 #define HV_ICMSGTYPE_NEGOTIATE 0 41 #define HV_ICMSGTYPE_HEARTBEAT 1 42 #define HV_ICMSGTYPE_KVPEXCHANGE 2 43 #define HV_ICMSGTYPE_SHUTDOWN 3 44 #define HV_ICMSGTYPE_TIMESYNC 4 45 #define HV_ICMSGTYPE_VSS 5 46 47 #define HV_ICMSGHDRFLAG_TRANSACTION 1 48 #define HV_ICMSGHDRFLAG_REQUEST 2 49 #define HV_ICMSGHDRFLAG_RESPONSE 4 50 51 typedef struct hv_vmbus_pipe_hdr { 52 uint32_t flags; 53 uint32_t msgsize; 54 } __packed hv_vmbus_pipe_hdr; 55 56 typedef struct hv_vmbus_ic_version { 57 uint16_t major; 58 uint16_t minor; 59 } __packed hv_vmbus_ic_version; 60 61 typedef struct hv_vmbus_icmsg_hdr { 62 hv_vmbus_ic_version icverframe; 63 uint16_t icmsgtype; 64 hv_vmbus_ic_version icvermsg; 65 uint16_t icmsgsize; 66 uint32_t status; 67 uint8_t ictransaction_id; 68 uint8_t icflags; 69 uint8_t reserved[2]; 70 } __packed hv_vmbus_icmsg_hdr; 71 72 typedef struct hv_vmbus_icmsg_negotiate { 73 uint16_t icframe_vercnt; 74 uint16_t icmsg_vercnt; 75 uint32_t reserved; 76 hv_vmbus_ic_version icversion_data[1]; /* any size array */ 77 } __packed hv_vmbus_icmsg_negotiate; 78 79 typedef struct hv_vmbus_shutdown_msg_data { 80 uint32_t reason_code; 81 uint32_t timeout_seconds; 82 uint32_t flags; 83 uint8_t display_message[2048]; 84 } __packed hv_vmbus_shutdown_msg_data; 85 86 typedef struct hv_vmbus_heartbeat_msg_data { 87 uint64_t seq_num; 88 uint32_t reserved[8]; 89 } __packed hv_vmbus_heartbeat_msg_data; 90 91 #endif /* !_HV_UTILREG_H_ */ 92